/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --cacsl2boogietranslator.allow.undefined.functions true --traceabstraction.smt.solver External_ModelsAndUnsatCoreMode --traceabstraction.command.for.external.solver bitwuzla -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--input--serio--serio_raw.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-356b6ba-m [2024-11-01 19:33:18,401 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-01 19:33:18,489 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-11-01 19:33:18,495 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-01 19:33:18,496 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-01 19:33:18,530 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-01 19:33:18,530 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-01 19:33:18,531 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-01 19:33:18,531 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-01 19:33:18,532 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-01 19:33:18,532 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-01 19:33:18,532 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-01 19:33:18,533 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-01 19:33:18,533 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-01 19:33:18,533 INFO L153 SettingsManager]: * Use SBE=true [2024-11-01 19:33:18,534 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-01 19:33:18,536 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-01 19:33:18,538 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-01 19:33:18,538 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-01 19:33:18,539 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-01 19:33:18,539 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-01 19:33:18,539 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-01 19:33:18,539 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-01 19:33:18,540 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-01 19:33:18,540 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-01 19:33:18,540 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-01 19:33:18,540 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-01 19:33:18,540 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-01 19:33:18,541 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-01 19:33:18,541 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-01 19:33:18,541 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-01 19:33:18,541 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-01 19:33:18,541 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-01 19:33:18,542 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-01 19:33:18,542 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-01 19:33:18,542 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-01 19:33:18,542 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-01 19:33:18,542 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-01 19:33:18,543 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-01 19:33:18,543 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-01 19:33:18,543 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-01 19:33:18,543 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-11-01 19:33:18,544 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> bitwuzla [2024-11-01 19:33:18,871 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-01 19:33:18,892 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-01 19:33:18,896 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-01 19:33:18,897 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-01 19:33:18,898 INFO L274 PluginConnector]: CDTParser initialized [2024-11-01 19:33:18,899 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--input--serio--serio_raw.ko-entry_point.cil.out.i [2024-11-01 19:33:20,455 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-01 19:33:20,905 INFO L384 CDTParser]: Found 1 translation units. [2024-11-01 19:33:20,906 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--input--serio--serio_raw.ko-entry_point.cil.out.i [2024-11-01 19:33:20,942 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fffa3b416/5a4997bd31d9459d89bbc43d77ad946f/FLAG435a485e5 [2024-11-01 19:33:21,040 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fffa3b416/5a4997bd31d9459d89bbc43d77ad946f [2024-11-01 19:33:21,042 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-01 19:33:21,044 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-01 19:33:21,046 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-01 19:33:21,046 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-01 19:33:21,050 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-01 19:33:21,051 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.11 07:33:21" (1/1) ... [2024-11-01 19:33:21,052 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59fde9ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 07:33:21, skipping insertion in model container [2024-11-01 19:33:21,052 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.11 07:33:21" (1/1) ... [2024-11-01 19:33:21,137 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-01 19:33:21,980 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 19:33:22,049 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 19:33:22,056 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 19:33:22,079 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 19:33:22,083 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 19:33:22,093 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 19:33:22,101 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 19:33:22,102 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 19:33:22,125 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 19:33:22,144 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 19:33:22,156 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 19:33:22,166 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 19:33:22,178 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 19:33:22,187 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 19:33:22,199 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 19:33:22,218 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 19:33:22,238 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 19:33:22,239 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 19:33:22,239 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 19:33:22,242 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 19:33:22,242 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 19:33:22,242 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 19:33:22,242 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 19:33:22,243 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 19:33:22,243 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 19:33:22,243 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 19:33:22,244 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 19:33:22,244 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 19:33:22,244 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 19:33:22,245 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 19:33:22,245 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 19:33:22,245 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 19:33:22,245 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 19:33:22,263 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--input--serio--serio_raw.ko-entry_point.cil.out.i[129978,129991] [2024-11-01 19:33:22,351 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 19:33:22,352 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-01 19:33:22,390 INFO L200 MainTranslator]: Completed pre-run [2024-11-01 19:33:22,492 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; subl %2, %0; sete %1": "+m" (v->counter), "=qm" (c): "er" (i): "memory"); [3226-3227] [2024-11-01 19:33:22,498 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; xaddb %b0, %1\n": "+q" (__ret), "+m" (v->counter): : "memory", "cc"); [3238-3239] [2024-11-01 19:33:22,498 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; xaddw %w0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [3242-3243] [2024-11-01 19:33:22,499 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; xaddl %0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [3246-3247] [2024-11-01 19:33:22,499 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; xaddq %q0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [3250-3251] [2024-11-01 19:33:22,543 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu): "0" (__pu_val), "c" (tmp): "ebx"); [3767] [2024-11-01 19:33:22,544 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu): "0" (__pu_val), "c" (tmp___0): "ebx"); [3772] [2024-11-01 19:33:22,544 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu): "0" (__pu_val), "c" (tmp___1): "ebx"); [3777] [2024-11-01 19:33:22,545 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu): "0" (__pu_val), "c" (tmp___2): "ebx"); [3782] [2024-11-01 19:33:22,545 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu): "0" (__pu_val), "c" (tmp___3): "ebx"); [3787] [2024-11-01 19:33:22,553 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_%P3": "=a" (__ret_gu), "=r" (__val_gu): "0" (tmp), "i" (1UL)); [3886-3887] [2024-11-01 19:33:22,606 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--input--serio--serio_raw.ko-entry_point.cil.out.i[129978,129991] [2024-11-01 19:33:22,712 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-01 19:33:22,789 WARN L709 CHandler]: The following functions are not defined or handled internally: __xadd_wrong_size [2024-11-01 19:33:22,800 INFO L204 MainTranslator]: Completed translation [2024-11-01 19:33:22,801 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 07:33:22 WrapperNode [2024-11-01 19:33:22,801 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-01 19:33:22,802 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-01 19:33:22,802 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-01 19:33:22,802 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-01 19:33:22,810 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 07:33:22" (1/1) ... [2024-11-01 19:33:22,879 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 07:33:22" (1/1) ... [2024-11-01 19:33:23,035 INFO L138 Inliner]: procedures = 196, calls = 552, calls flagged for inlining = 73, calls inlined = 68, statements flattened = 1594 [2024-11-01 19:33:23,036 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-01 19:33:23,037 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-01 19:33:23,037 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-01 19:33:23,037 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-01 19:33:23,049 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 07:33:22" (1/1) ... [2024-11-01 19:33:23,049 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 07:33:22" (1/1) ... [2024-11-01 19:33:23,063 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 07:33:22" (1/1) ... [2024-11-01 19:33:23,222 INFO L175 MemorySlicer]: Split 205 memory accesses to 7 slices as follows [2, 13, 14, 122, 23, 27, 4]. 60 percent of accesses are in the largest equivalence class. The 4 initializations are split as follows [2, 0, 0, 2, 0, 0, 0]. The 128 writes are split as follows [0, 2, 12, 62, 23, 27, 2]. [2024-11-01 19:33:23,223 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 07:33:22" (1/1) ... [2024-11-01 19:33:23,223 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 07:33:22" (1/1) ... [2024-11-01 19:33:23,296 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 07:33:22" (1/1) ... [2024-11-01 19:33:23,315 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 07:33:22" (1/1) ... [2024-11-01 19:33:23,337 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 07:33:22" (1/1) ... [2024-11-01 19:33:23,355 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 07:33:22" (1/1) ... [2024-11-01 19:33:23,382 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-01 19:33:23,384 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-01 19:33:23,384 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-01 19:33:23,384 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-01 19:33:23,385 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 07:33:22" (1/1) ... [2024-11-01 19:33:23,390 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-01 19:33:23,403 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-01 19:33:23,418 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-01 19:33:23,448 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-01 19:33:23,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-01 19:33:23,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-01 19:33:23,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-01 19:33:23,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-11-01 19:33:23,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-11-01 19:33:23,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2024-11-01 19:33:23,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#6 [2024-11-01 19:33:23,477 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2024-11-01 19:33:23,478 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2024-11-01 19:33:23,478 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#0 [2024-11-01 19:33:23,478 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#1 [2024-11-01 19:33:23,478 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#2 [2024-11-01 19:33:23,478 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#3 [2024-11-01 19:33:23,478 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#4 [2024-11-01 19:33:23,478 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#5 [2024-11-01 19:33:23,478 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#6 [2024-11-01 19:33:23,478 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-01 19:33:23,478 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-01 19:33:23,478 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-01 19:33:23,479 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-01 19:33:23,479 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-01 19:33:23,479 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-11-01 19:33:23,479 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-11-01 19:33:23,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-01 19:33:23,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-01 19:33:23,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-01 19:33:23,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-01 19:33:23,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-01 19:33:23,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-01 19:33:23,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-01 19:33:23,480 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-01 19:33:23,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-01 19:33:23,480 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-01 19:33:23,480 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-01 19:33:23,480 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-01 19:33:23,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-01 19:33:23,481 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2024-11-01 19:33:23,481 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2024-11-01 19:33:23,481 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-11-01 19:33:23,481 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-11-01 19:33:23,481 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-01 19:33:23,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-01 19:33:23,481 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-01 19:33:23,481 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-01 19:33:23,481 INFO L130 BoogieDeclarations]: Found specification of procedure serio_raw_poll [2024-11-01 19:33:23,481 INFO L138 BoogieDeclarations]: Found implementation of procedure serio_raw_poll [2024-11-01 19:33:23,482 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2024-11-01 19:33:23,482 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2024-11-01 19:33:23,482 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-01 19:33:23,482 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2024-11-01 19:33:23,482 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2024-11-01 19:33:23,482 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-01 19:33:23,482 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-01 19:33:23,482 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-01 19:33:23,482 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-01 19:33:23,482 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-01 19:33:23,482 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-01 19:33:23,483 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-01 19:33:23,483 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2024-11-01 19:33:23,483 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2024-11-01 19:33:23,483 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2024-11-01 19:33:23,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-01 19:33:23,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-01 19:33:23,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-11-01 19:33:23,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-11-01 19:33:23,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-11-01 19:33:23,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2024-11-01 19:33:23,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#6 [2024-11-01 19:33:23,484 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-01 19:33:23,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-01 19:33:23,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-01 19:33:23,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-01 19:33:23,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-01 19:33:23,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-11-01 19:33:23,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-11-01 19:33:23,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-11-01 19:33:23,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-01 19:33:23,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-01 19:33:23,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-01 19:33:23,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-01 19:33:23,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-01 19:33:23,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-01 19:33:23,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-01 19:33:23,485 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_2 [2024-11-01 19:33:23,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_2 [2024-11-01 19:33:23,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-01 19:33:23,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-01 19:33:23,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-01 19:33:23,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-01 19:33:23,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-01 19:33:23,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-01 19:33:23,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-11-01 19:33:23,486 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2024-11-01 19:33:23,486 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2024-11-01 19:33:23,486 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-11-01 19:33:23,486 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-11-01 19:33:23,486 INFO L130 BoogieDeclarations]: Found specification of procedure serio_close [2024-11-01 19:33:23,486 INFO L138 BoogieDeclarations]: Found implementation of procedure serio_close [2024-11-01 19:33:23,487 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_serio_raw_mutex [2024-11-01 19:33:23,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_serio_raw_mutex [2024-11-01 19:33:23,487 INFO L130 BoogieDeclarations]: Found specification of procedure serio_raw_write [2024-11-01 19:33:23,487 INFO L138 BoogieDeclarations]: Found implementation of procedure serio_raw_write [2024-11-01 19:33:23,487 INFO L130 BoogieDeclarations]: Found specification of procedure serio_raw_fasync [2024-11-01 19:33:23,487 INFO L138 BoogieDeclarations]: Found implementation of procedure serio_raw_fasync [2024-11-01 19:33:23,487 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_serio_raw_mutex [2024-11-01 19:33:23,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_serio_raw_mutex [2024-11-01 19:33:23,487 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-01 19:33:23,487 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-01 19:33:23,487 INFO L130 BoogieDeclarations]: Found specification of procedure kill_fasync [2024-11-01 19:33:23,488 INFO L138 BoogieDeclarations]: Found implementation of procedure kill_fasync [2024-11-01 19:33:23,488 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2024-11-01 19:33:23,488 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2024-11-01 19:33:23,488 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2024-11-01 19:33:23,488 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2024-11-01 19:33:23,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#0 [2024-11-01 19:33:23,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#1 [2024-11-01 19:33:23,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#2 [2024-11-01 19:33:23,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#3 [2024-11-01 19:33:23,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#4 [2024-11-01 19:33:23,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#5 [2024-11-01 19:33:23,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#6 [2024-11-01 19:33:23,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#0 [2024-11-01 19:33:23,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#1 [2024-11-01 19:33:23,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#2 [2024-11-01 19:33:23,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#3 [2024-11-01 19:33:23,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#4 [2024-11-01 19:33:23,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#5 [2024-11-01 19:33:23,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#6 [2024-11-01 19:33:23,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#0 [2024-11-01 19:33:23,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#1 [2024-11-01 19:33:23,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#2 [2024-11-01 19:33:23,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#3 [2024-11-01 19:33:23,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#4 [2024-11-01 19:33:23,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#5 [2024-11-01 19:33:23,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#6 [2024-11-01 19:33:23,490 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2024-11-01 19:33:23,490 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2024-11-01 19:33:23,491 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-01 19:33:23,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-01 19:33:23,491 INFO L130 BoogieDeclarations]: Found specification of procedure serio_raw_disconnect [2024-11-01 19:33:23,491 INFO L138 BoogieDeclarations]: Found implementation of procedure serio_raw_disconnect [2024-11-01 19:33:23,491 INFO L130 BoogieDeclarations]: Found specification of procedure serio_continue_rx [2024-11-01 19:33:23,491 INFO L138 BoogieDeclarations]: Found implementation of procedure serio_continue_rx [2024-11-01 19:33:23,491 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2024-11-01 19:33:23,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2024-11-01 19:33:23,491 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-01 19:33:23,491 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2024-11-01 19:33:23,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2024-11-01 19:33:23,492 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-01 19:33:23,492 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-11-01 19:33:23,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-11-01 19:33:23,492 INFO L130 BoogieDeclarations]: Found specification of procedure serio_set_drvdata [2024-11-01 19:33:23,492 INFO L138 BoogieDeclarations]: Found implementation of procedure serio_set_drvdata [2024-11-01 19:33:23,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-01 19:33:23,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-01 19:33:23,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-01 19:33:23,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-01 19:33:23,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-01 19:33:23,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-01 19:33:23,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-01 19:33:23,493 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-11-01 19:33:23,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-11-01 19:33:23,493 INFO L130 BoogieDeclarations]: Found specification of procedure misc_register [2024-11-01 19:33:23,493 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_register [2024-11-01 19:33:23,493 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2024-11-01 19:33:23,493 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2024-11-01 19:33:23,493 INFO L130 BoogieDeclarations]: Found specification of procedure serio_pause_rx [2024-11-01 19:33:23,493 INFO L138 BoogieDeclarations]: Found implementation of procedure serio_pause_rx [2024-11-01 19:33:23,493 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2024-11-01 19:33:23,493 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2024-11-01 19:33:23,493 INFO L130 BoogieDeclarations]: Found specification of procedure serio_get_drvdata [2024-11-01 19:33:23,494 INFO L138 BoogieDeclarations]: Found implementation of procedure serio_get_drvdata [2024-11-01 19:33:23,494 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2024-11-01 19:33:23,494 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2024-11-01 19:33:23,494 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_serio_raw_mutex [2024-11-01 19:33:23,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_serio_raw_mutex [2024-11-01 19:33:23,494 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-01 19:33:23,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-01 19:33:23,912 INFO L238 CfgBuilder]: Building ICFG [2024-11-01 19:33:23,915 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-01 19:33:23,990 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-01 19:33:43,498 INFO L? ?]: Removed 768 outVars from TransFormulas that were not future-live. [2024-11-01 19:33:43,499 INFO L287 CfgBuilder]: Performing block encoding [2024-11-01 19:33:43,537 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-01 19:33:43,538 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-01 19:33:43,538 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.11 07:33:43 BoogieIcfgContainer [2024-11-01 19:33:43,538 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-01 19:33:43,545 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-01 19:33:43,545 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-01 19:33:43,549 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-01 19:33:43,550 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.11 07:33:21" (1/3) ... [2024-11-01 19:33:43,551 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30c4958a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.11 07:33:43, skipping insertion in model container [2024-11-01 19:33:43,551 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 07:33:22" (2/3) ... [2024-11-01 19:33:43,552 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30c4958a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.11 07:33:43, skipping insertion in model container [2024-11-01 19:33:43,552 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.11 07:33:43" (3/3) ... [2024-11-01 19:33:43,554 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--input--serio--serio_raw.ko-entry_point.cil.out.i [2024-11-01 19:33:43,572 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-01 19:33:43,572 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-01 19:33:43,669 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-01 19:33:43,676 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2d8947be, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-01 19:33:43,677 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-01 19:33:43,684 INFO L276 IsEmpty]: Start isEmpty. Operand has 533 states, 377 states have (on average 1.3156498673740054) internal successors, (496), 394 states have internal predecessors, (496), 115 states have call successors, (115), 40 states have call predecessors, (115), 39 states have return successors, (111), 111 states have call predecessors, (111), 111 states have call successors, (111) [2024-11-01 19:33:43,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-11-01 19:33:43,707 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 19:33:43,708 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-01 19:33:43,708 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 19:33:43,713 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 19:33:43,714 INFO L85 PathProgramCache]: Analyzing trace with hash 2125726370, now seen corresponding path program 1 times [2024-11-01 19:33:43,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 19:33:43,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [347482422] [2024-11-01 19:33:43,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 19:33:43,726 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-01 19:33:43,727 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-01 19:33:43,729 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-01 19:33:43,751 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Waiting until timeout for monitored process [2024-11-01 19:33:45,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 19:33:45,224 INFO L255 TraceCheckSpWp]: Trace formula consists of 1201 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-01 19:33:45,237 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 19:33:45,282 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2024-11-01 19:33:45,283 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 19:33:50,161 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2024-11-01 19:33:50,162 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 19:33:50,162 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [347482422] [2024-11-01 19:33:50,163 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [347482422] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-01 19:33:50,163 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-01 19:33:50,163 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2024-11-01 19:33:50,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907185287] [2024-11-01 19:33:50,166 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-01 19:33:50,170 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-01 19:33:50,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 19:33:50,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-01 19:33:50,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-01 19:33:50,206 INFO L87 Difference]: Start difference. First operand has 533 states, 377 states have (on average 1.3156498673740054) internal successors, (496), 394 states have internal predecessors, (496), 115 states have call successors, (115), 40 states have call predecessors, (115), 39 states have return successors, (111), 111 states have call predecessors, (111), 111 states have call successors, (111) Second operand has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-01 19:33:50,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 19:33:50,292 INFO L93 Difference]: Finished difference Result 1061 states and 1472 transitions. [2024-11-01 19:33:50,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-01 19:33:50,295 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 168 [2024-11-01 19:33:50,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 19:33:50,310 INFO L225 Difference]: With dead ends: 1061 [2024-11-01 19:33:50,310 INFO L226 Difference]: Without dead ends: 522 [2024-11-01 19:33:50,318 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 334 GetRequests, 334 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-01 19:33:50,323 INFO L432 NwaCegarLoop]: 711 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 711 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-01 19:33:50,324 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 711 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-01 19:33:50,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 522 states. [2024-11-01 19:33:50,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 522 to 522. [2024-11-01 19:33:50,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 522 states, 372 states have (on average 1.3010752688172043) internal successors, (484), 383 states have internal predecessors, (484), 111 states have call successors, (111), 39 states have call predecessors, (111), 38 states have return successors, (103), 103 states have call predecessors, (103), 103 states have call successors, (103) [2024-11-01 19:33:50,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 522 states and 698 transitions. [2024-11-01 19:33:50,401 INFO L78 Accepts]: Start accepts. Automaton has 522 states and 698 transitions. Word has length 168 [2024-11-01 19:33:50,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 19:33:50,402 INFO L471 AbstractCegarLoop]: Abstraction has 522 states and 698 transitions. [2024-11-01 19:33:50,402 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-01 19:33:50,402 INFO L276 IsEmpty]: Start isEmpty. Operand 522 states and 698 transitions. [2024-11-01 19:33:50,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-11-01 19:33:50,406 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 19:33:50,410 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-01 19:33:50,421 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Ended with exit code 0 [2024-11-01 19:33:50,614 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-01 19:33:50,615 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 19:33:50,616 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 19:33:50,616 INFO L85 PathProgramCache]: Analyzing trace with hash -287050578, now seen corresponding path program 1 times [2024-11-01 19:33:50,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 19:33:50,616 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [286183473] [2024-11-01 19:33:50,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 19:33:50,617 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-01 19:33:50,617 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-01 19:33:50,619 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-01 19:33:50,621 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (3)] Waiting until timeout for monitored process [2024-11-01 19:33:51,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 19:33:51,811 INFO L255 TraceCheckSpWp]: Trace formula consists of 1201 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-01 19:33:51,827 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 19:33:52,583 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2024-11-01 19:33:52,583 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 19:33:58,900 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 322 trivial. 0 not checked. [2024-11-01 19:33:58,901 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 19:33:58,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [286183473] [2024-11-01 19:33:58,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [286183473] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-01 19:33:58,901 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-01 19:33:58,901 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2024-11-01 19:33:58,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1268119772] [2024-11-01 19:33:58,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-01 19:33:58,903 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-01 19:33:58,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 19:33:58,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-01 19:33:58,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-01 19:33:58,904 INFO L87 Difference]: Start difference. First operand 522 states and 698 transitions. Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-01 19:33:59,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 19:33:59,779 INFO L93 Difference]: Finished difference Result 1032 states and 1385 transitions. [2024-11-01 19:33:59,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-01 19:33:59,780 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 168 [2024-11-01 19:33:59,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 19:33:59,786 INFO L225 Difference]: With dead ends: 1032 [2024-11-01 19:33:59,786 INFO L226 Difference]: Without dead ends: 523 [2024-11-01 19:33:59,788 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 334 GetRequests, 330 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-01 19:33:59,789 INFO L432 NwaCegarLoop]: 696 mSDtfsCounter, 0 mSDsluCounter, 1374 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2070 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-01 19:33:59,789 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2070 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-01 19:33:59,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 523 states. [2024-11-01 19:33:59,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 523 to 523. [2024-11-01 19:33:59,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 523 states, 373 states have (on average 1.3002680965147453) internal successors, (485), 384 states have internal predecessors, (485), 111 states have call successors, (111), 39 states have call predecessors, (111), 38 states have return successors, (103), 103 states have call predecessors, (103), 103 states have call successors, (103) [2024-11-01 19:33:59,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 523 states and 699 transitions. [2024-11-01 19:33:59,822 INFO L78 Accepts]: Start accepts. Automaton has 523 states and 699 transitions. Word has length 168 [2024-11-01 19:33:59,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 19:33:59,823 INFO L471 AbstractCegarLoop]: Abstraction has 523 states and 699 transitions. [2024-11-01 19:33:59,823 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-01 19:33:59,824 INFO L276 IsEmpty]: Start isEmpty. Operand 523 states and 699 transitions. [2024-11-01 19:33:59,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-11-01 19:33:59,826 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 19:33:59,826 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-01 19:33:59,840 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (3)] Forceful destruction successful, exit code 0 [2024-11-01 19:34:00,027 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-01 19:34:00,028 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 19:34:00,028 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 19:34:00,028 INFO L85 PathProgramCache]: Analyzing trace with hash -1845991386, now seen corresponding path program 1 times [2024-11-01 19:34:00,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 19:34:00,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1926294639] [2024-11-01 19:34:00,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 19:34:00,029 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-01 19:34:00,029 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-01 19:34:00,031 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-01 19:34:00,032 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (4)] Waiting until timeout for monitored process [2024-11-01 19:34:01,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 19:34:01,199 INFO L255 TraceCheckSpWp]: Trace formula consists of 1289 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-01 19:34:01,208 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 19:34:02,503 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 103 proven. 1 refuted. 0 times theorem prover too weak. 338 trivial. 0 not checked. [2024-11-01 19:34:02,503 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 19:34:09,138 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 7 proven. 43 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2024-11-01 19:34:09,138 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 19:34:09,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1926294639] [2024-11-01 19:34:09,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1926294639] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-01 19:34:09,139 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-01 19:34:09,139 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-11-01 19:34:09,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [974655698] [2024-11-01 19:34:09,139 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-01 19:34:09,140 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-01 19:34:09,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 19:34:09,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-01 19:34:09,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-01 19:34:09,141 INFO L87 Difference]: Start difference. First operand 523 states and 699 transitions. Second operand has 8 states, 8 states have (on average 7.25) internal successors, (58), 8 states have internal predecessors, (58), 2 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-01 19:34:13,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 19:34:13,832 INFO L93 Difference]: Finished difference Result 1046 states and 1407 transitions. [2024-11-01 19:34:13,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-01 19:34:13,834 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.25) internal successors, (58), 8 states have internal predecessors, (58), 2 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 176 [2024-11-01 19:34:13,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 19:34:13,838 INFO L225 Difference]: With dead ends: 1046 [2024-11-01 19:34:13,838 INFO L226 Difference]: Without dead ends: 539 [2024-11-01 19:34:13,840 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 355 GetRequests, 344 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=62, Invalid=94, Unknown=0, NotChecked=0, Total=156 [2024-11-01 19:34:13,841 INFO L432 NwaCegarLoop]: 691 mSDtfsCounter, 7 mSDsluCounter, 2731 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 3422 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2024-11-01 19:34:13,841 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 3422 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2024-11-01 19:34:13,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 539 states. [2024-11-01 19:34:13,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 539 to 539. [2024-11-01 19:34:13,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 539 states, 387 states have (on average 1.302325581395349) internal successors, (504), 398 states have internal predecessors, (504), 111 states have call successors, (111), 41 states have call predecessors, (111), 40 states have return successors, (103), 103 states have call predecessors, (103), 103 states have call successors, (103) [2024-11-01 19:34:13,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 539 states and 718 transitions. [2024-11-01 19:34:13,865 INFO L78 Accepts]: Start accepts. Automaton has 539 states and 718 transitions. Word has length 176 [2024-11-01 19:34:13,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 19:34:13,866 INFO L471 AbstractCegarLoop]: Abstraction has 539 states and 718 transitions. [2024-11-01 19:34:13,866 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.25) internal successors, (58), 8 states have internal predecessors, (58), 2 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-01 19:34:13,866 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states and 718 transitions. [2024-11-01 19:34:13,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2024-11-01 19:34:13,869 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 19:34:13,869 INFO L215 NwaCegarLoop]: trace histogram [23, 8, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-01 19:34:13,880 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (4)] Forceful destruction successful, exit code 0 [2024-11-01 19:34:14,069 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-01 19:34:14,070 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 19:34:14,071 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 19:34:14,071 INFO L85 PathProgramCache]: Analyzing trace with hash -663779058, now seen corresponding path program 2 times [2024-11-01 19:34:14,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 19:34:14,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [344920578] [2024-11-01 19:34:14,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 19:34:14,071 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-01 19:34:14,072 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-01 19:34:14,073 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-01 19:34:14,075 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (5)] Waiting until timeout for monitored process [2024-11-01 19:34:15,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 19:34:15,234 INFO L255 TraceCheckSpWp]: Trace formula consists of 1454 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-01 19:34:15,239 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 19:34:17,030 INFO L134 CoverageAnalysis]: Checked inductivity of 787 backedges. 349 proven. 3 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2024-11-01 19:34:17,030 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 19:34:24,992 INFO L134 CoverageAnalysis]: Checked inductivity of 787 backedges. 45 proven. 63 refuted. 0 times theorem prover too weak. 679 trivial. 0 not checked. [2024-11-01 19:34:24,993 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 19:34:24,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [344920578] [2024-11-01 19:34:24,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [344920578] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-01 19:34:24,993 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-01 19:34:24,993 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2024-11-01 19:34:24,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529925371] [2024-11-01 19:34:24,994 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-01 19:34:24,994 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-01 19:34:24,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 19:34:24,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-01 19:34:24,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-11-01 19:34:24,996 INFO L87 Difference]: Start difference. First operand 539 states and 718 transitions. Second operand has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 2 states have call successors, (21), 2 states have call predecessors, (21), 4 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-01 19:34:32,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 19:34:32,549 INFO L93 Difference]: Finished difference Result 1063 states and 1419 transitions. [2024-11-01 19:34:32,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-01 19:34:32,549 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 2 states have call successors, (21), 2 states have call predecessors, (21), 4 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 191 [2024-11-01 19:34:32,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 19:34:32,554 INFO L225 Difference]: With dead ends: 1063 [2024-11-01 19:34:32,555 INFO L226 Difference]: Without dead ends: 543 [2024-11-01 19:34:32,556 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 387 GetRequests, 372 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 6.7s TimeCoverageRelationStatistics Valid=102, Invalid=170, Unknown=0, NotChecked=0, Total=272 [2024-11-01 19:34:32,557 INFO L432 NwaCegarLoop]: 690 mSDtfsCounter, 10 mSDsluCounter, 3409 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 4099 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2024-11-01 19:34:32,557 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 4099 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2024-11-01 19:34:32,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 543 states. [2024-11-01 19:34:32,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 543 to 543. [2024-11-01 19:34:32,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 543 states, 391 states have (on average 1.2941176470588236) internal successors, (506), 402 states have internal predecessors, (506), 111 states have call successors, (111), 41 states have call predecessors, (111), 40 states have return successors, (103), 103 states have call predecessors, (103), 103 states have call successors, (103) [2024-11-01 19:34:32,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 543 states and 720 transitions. [2024-11-01 19:34:32,580 INFO L78 Accepts]: Start accepts. Automaton has 543 states and 720 transitions. Word has length 191 [2024-11-01 19:34:32,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 19:34:32,581 INFO L471 AbstractCegarLoop]: Abstraction has 543 states and 720 transitions. [2024-11-01 19:34:32,581 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 2 states have call successors, (21), 2 states have call predecessors, (21), 4 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-01 19:34:32,581 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 720 transitions. [2024-11-01 19:34:32,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2024-11-01 19:34:32,583 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 19:34:32,583 INFO L215 NwaCegarLoop]: trace histogram [35, 8, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-01 19:34:32,597 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (5)] Forceful destruction successful, exit code 0 [2024-11-01 19:34:32,787 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-01 19:34:32,788 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 19:34:32,788 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 19:34:32,788 INFO L85 PathProgramCache]: Analyzing trace with hash 1758718734, now seen corresponding path program 3 times [2024-11-01 19:34:32,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 19:34:32,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [394691094] [2024-11-01 19:34:32,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 19:34:32,789 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-01 19:34:32,789 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-01 19:34:32,790 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-01 19:34:32,791 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (6)] Waiting until timeout for monitored process [2024-11-01 19:34:33,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 19:34:33,867 INFO L255 TraceCheckSpWp]: Trace formula consists of 1586 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-01 19:34:33,873 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 19:34:38,479 INFO L134 CoverageAnalysis]: Checked inductivity of 1225 backedges. 613 proven. 21 refuted. 0 times theorem prover too weak. 591 trivial. 0 not checked. [2024-11-01 19:34:38,480 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 19:34:52,056 INFO L134 CoverageAnalysis]: Checked inductivity of 1225 backedges. 93 proven. 201 refuted. 0 times theorem prover too weak. 931 trivial. 0 not checked. [2024-11-01 19:34:52,057 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 19:34:52,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [394691094] [2024-11-01 19:34:52,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [394691094] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-01 19:34:52,057 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-01 19:34:52,058 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2024-11-01 19:34:52,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2104233949] [2024-11-01 19:34:52,058 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-01 19:34:52,058 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-01 19:34:52,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 19:34:52,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-01 19:34:52,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=224, Unknown=0, NotChecked=0, Total=306 [2024-11-01 19:34:52,060 INFO L87 Difference]: Start difference. First operand 543 states and 720 transitions. Second operand has 18 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 18 states have internal predecessors, (68), 2 states have call successors, (21), 2 states have call predecessors, (21), 4 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21)